Home / 2,859,364.80-4,287,880.80-965,131.20

Finding the Fourth Proportional to 2,859,364.80, 4,287,880.80 and 965,131.20

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Solution

The fourth proportional to 2,859,364.80, 4,287,880.80 and 965,131.20 is: 1,447,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,364.80 : 4,287,880.80 = 965,131.20 : x
  2. Step 2: Convert to fraction form
    2,859,364.80/4,287,880.80 = 965,131.20/x
  3. Step 3: Cross multiply
    2,859,364.80x = 4,287,880.80 × 965,131.20
  4. Step 4: Simplify right side
    2,859,364.80x = 4,138,367,541,960.96
  5. Step 5: Solve for x
    x = 4,138,367,541,960.96/2,859,364.80
  6. Step 6: Final answer
    x = 1,447,303.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.